    * {
        border: none;
        margin: 0px;
        padding: 0px;
    }
    
    html,
    body {
        height: 100%;
        width: 100%;
        font-size: 16px;
        /* 其他字体大小在设置的时候以em为单位 */
    }
    
    a {
        text-decoration: none;
    }
    
    input {
        outline: none;
        background: transparent;
    }
    
    input[type=submit],
    input[type=button] {
        cursor: pointer;
    }
    
    button[disabled],
    input[disabled] {
        cursor: default;
    }
    
    ul,
    ol,
    li {
        list-style-type: none;
    }
    
    button {
        /* 清除默认边框 */
        border: 0;
        outline: none;
        /*清除默认背景 */
        background-color: transparent;
    }
    /*公共方法*/
    
    .clear {
        clear: both;
    }
    
    .clearleft {
        clear: left;
    }
    
    .clearright {
        clear: right;
    }
    
    .floatleft {
        float: left;
    }
    
    .floatright {
        float: right;
    }
    
    .cursor {
        cursor: pointer;
    }
    
    .container {
        width: 100%;
        margin: 0 auto;
    }
    
    .center {
        width: 1024px;
        margin: 0 auto;
    }
    /* header {
        width: 100%;
    } */